APPARATUS FOR INSPECTING LIGHT EMITTING DIODE AND INSPECTING METHOD USING SAID APPARATUS

A light emitting diode (LED) inspection apparatus includes at least one LED including a phosphor applied on an emission surface, a first lighting unit to emit visible light to the LED, a second lighting unit to emit ultraviolet (UV) light to the LED, a photographing unit to generate at least one fir...

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Bibliographic Details
Main Authors JI WON SOO, KWON OH SEOK, KIM CHOO HO
Format Patent
LanguageEnglish
Published 04.10.2012
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Summary:A light emitting diode (LED) inspection apparatus includes at least one LED including a phosphor applied on an emission surface, a first lighting unit to emit visible light to the LED, a second lighting unit to emit ultraviolet (UV) light to the LED, a photographing unit to generate at least one first image data by photographing the visible light reflected from the LED and to generate at least one second image data by photographing the UV light reflected from the LED, and a determination unit to determine a defect in appearance and emission characteristics of the LED using the at least one first image data and second image data.
Bibliography:Application Number: US201213412197